
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures Part 2: Insulation resistance
出版:International Electrotechnical Committee

专家解读视频
This part of IEC 61557 specifies the requirements applicable to equipment for measuring the insulation resistance of equipment and installations in the de-energized state. This second edition cancels and replaces the first edition published in 1997. This edition constitutes a technical revision. The following changes were made with respect to the previous edition: a) definitions complemented; b) revision of some requirements have been revised; c) addition of a warning pictogram; d) complete revision of the subclause on overload tests.
OVE/ONORM EN 61557-2:2008 - Identical
VDE 0413-2:2008 - Identical
PN EN 61557-2:2007 - Identical
GOST R IEC 61557-2:2005 - Identical
BS EN 61557-2:2007 - Identical
SS EN 61557-2 Ed. 2 (2007) - Identical
CEI EN 61557-2 Ed. 2 (2008) - Identical
ONORM OVE EN 61557-2:1997 - Identical
DIN EN 61557-2 (2008-02) - Identical
CEI EN 61557-2 Ed. 2 (2007) - Identical
DIN EN 61557-2 (1998-05) - Identical
JIS C 1302:2002 - Identical
NF EN 61557-2:2007 - Identical
VDE 0413-2:1998 - Identical
SN EN 61557-2:1997 - Identical
I.S. EN 61557-2:2007 - Identical
UNE EN 61557-2:2007 - Identical